It is well-known that atmosphere gets thinner and thinner ________ the height increases．

试卷相关题目

• 1His humorous closing speech was a welcome addition to the ________ dull meeting．

  A.therefore

  B.meanwhile

  C.otherwise

  D.nevertheless

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• 2It took several decades ________ this once poor village became one of the richest in the country．

  A.when

  B.unless

  C.for

  D.before

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• 3My mother couldn't go to school, ________ being poor, the family couldn't pay for his education．

  A.as a result

  B.since

  C.as

  D.for

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• 4I am afraid I won't have any influence over my 19-year-old daughter ________ her mind is made up．

  A.once

  B.the moment

  C.as soon as

  D.since

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• 5Everyone _________ Tom's brother was able to swim across the river after being trained．

  A.beside

  B.besides

  C.except

  D.and

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• 6You must work out the problem all by yourself, ________ it is very difficult．

  A.as if

  B.even

  C.but

  D.even though

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• 7The price of gold still remains at high, _________ it saw some downturn recently．

  A.as long as

  B.however

  C.even though

  D.as though

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• 8A composer writes a work, but no one can hear it ________ it is performed．

  A.when

  B.until

  C.before

  D.after

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• 9We should be conscious of our shortcomings _______ we make great mistakes．

  A.in case of

  B.unless

  C.in case

  D.while

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• 10________ China's reform and opening up in late 1978, its quick development has aroused worldwide attention．

  A.When

  B.As

  C.While

  D.Since

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